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Supco
Supco CD50+7.5X440 Dual Motor Run Capacitor 50 + 7.5 Mfd x 440V

Supco CD50+7.5X440 Dual Motor Run Capacitor 50 + 7.5 Mfd x 440V

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$27.77at Voomi SupplyChecked Nov 12

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Price facts

  • Last seen at $27.77 at Voomi Supply on Nov 12.

Our take on the Supco CD50+7.5X440 Dual Motor Run Capacitor 50 + 7.5 Mfd x 440V

The Supco CD50+7.5X440 is a sealed oval dual run capacitor rated 50 + 7.5 microfarads at 440 volts, with +/-5% tolerance. It uses a drawn steel case, non-PCB biodegradable synthetic oil dielectric and a physical interrupter for safety, and it is rated to run from -13°F to 185°F. It is built for condenser fan motors, furnace blowers, refrigeration compressors and AC compressors. Compared with single-value capacitors, one oval can covers both the compressor and fan circuits, which saves wiring and mounting space; the 440 V rating gives headroom over 370 V parts on 240 V systems.

Best forHVAC technicians replacing a dual compressor/fan capacitorAir conditioning and refrigeration service workFurnace blower and condenser fan motor repairOwners matching a 50 + 7.5 Mfd oval can
Pros
  • Dual 50 + 7.5 Mfd values in one oval can
  • 440 V rating suits 240 V compressor and fan circuits
  • Tight +/-5% capacitance tolerance
  • Drawn steel case with non-PCB synthetic oil
  • Rated from -13°F to 185°F
  • Physical interrupter for safety
Cons
  • Must match the original microfarad values and voltage
  • Oval can footprint may not fit every mounting bracket
  • No discharge resistor or bleed-down built in
  • Fails like any run capacitor if the system overheats

Supco CD50+7.5X440 Dual Motor Run Capacitor 50 + 7.5 Mfd x 440V prices at every store

  • Voomi SupplyNew

    In stockReturn policy

    $27.77Checked Nov 12
    Visit Voomi Supply

What reviewers say

Owners and technicians treat Supco run capacitors as a dependable service replacement. The common praise is that the stated values hold and the can fits standard oval brackets; the common complaint is short life in hot, poorly ventilated condensing units.

What people mention
  • Capacitance accuracyPraisedBuyers say measured microfarads come close to the 50 + 7.5 rating.
  • BuildPraisedThe drawn steel case and sealed top are described as solid for outdoor service.
  • FitMixedIt fits standard oval brackets, but some report the can is tight in certain mounts.
  • DurabilityCriticisedSome owners report failure after a few seasons in hot condensing units.
  • TerminalsMixedSpade terminals are reported as tight with thicker connectors.

About the Supco CD50+7.5X440 Dual Motor Run Capacitor 50 + 7.5 Mfd x 440V

The Supco CD50+7.5X440 is a sealed oval dual motor run capacitor rated 50 + 7.5 microfarads at 440 volts AC. It has a capacitance tolerance of +/-5% and is for single-phase use.

The case is drawn steel. The dielectric is a non-PCB biodegradable synthetic oil, and a physical interrupter is built in for safety. It operates in ambient temperatures from -13°F to 185°F.

It is suitable for condenser fan motors, furnace blower motors, refrigeration compressors, and air conditioning compressors.

Brand
Supco
Part number
CD50+7.5X440
Manufacturer
Sealed Unit Parts Co., Inc
Type
Dual motor run capacitor
Capacitance
50 + 7.5 Mfd (microfarads)
Voltage
440 V AC
Tolerance
+/-5%
Phase
Single-phase
Case
Oval drawn steel case
Dielectric
Non-PCB biodegradable synthetic oil
Safety feature
Physical interrupter
Operating temp
-13°F to 185°F
Use with
Condenser fan motors, furnace blower motors, refrigeration compressors, air conditioning compressors
Dimensions
5.125 in high x 1.75 in wide x 2.8125 in long

Questions and answers

What does 50 + 7.5 Mfd mean?
It is a dual capacitor: 50 microfarads for the compressor (HERM) circuit and 7.5 microfarads for the fan circuit, sharing a common terminal.
Can I use it to replace a 370 V capacitor?
Yes, if the microfarad values match. A 440 V rating is a higher voltage ceiling than 370 V, so it is safe on the same circuit.
Will it fit my unit?
It is a sealed oval can, so check that your bracket and wiring space take an oval case and that the original is a 50 + 7.5 Mfd dual.
What is the physical interrupter for?
It is a safety feature that breaks the circuit if the capacitor fails internally, reducing the chance of a short.
Does it contain PCBs?
No. The dielectric is a non-PCB biodegradable synthetic oil.
What temperature range does it handle?
It is rated from -13°F to 185°F, covering typical outdoor condensing units and furnace compartments.
Where is the Supco CD50+7.5X440 Dual Motor Run Capacitor 50 + 7.5 Mfd x 440V cheapest?
At Voomi Supply, for $27.77, as of our latest check.

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